Search a number
-
+
3840135 = 351347419
BaseRepresentation
bin1110101001100010000111
321020002200020
432221202013
51440341020
6214150223
744432505
oct16514207
97202606
103840135
112193172
121352373
13a45b90
1471d675
1550cc40
hex3a9887

3840135 has 32 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 1845888.

The previous prime is 3840127. The next prime is 3840139. The reversal of 3840135 is 5310483.

3840135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3840135 - 23 = 3840127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8956 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 23840135 is an apocalyptic number.

3840135 is a deficient number, since it is larger than the sum of its proper divisors (2933625).

3840135 is a wasteful number, since it uses less digits than its factorization.

3840135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3840135 is about 1959.6262398733. The cubic root of 3840135 is about 156.5965407195.

It can be divided in two parts, 3840 and 135, that multiplied together give a square (518400 = 7202).

The spelling of 3840135 in words is "three million, eight hundred forty thousand, one hundred thirty-five".

Divisors: 1 3 5 13 15 39 47 65 141 195 235 419 611 705 1257 1833 2095 3055 5447 6285 9165 16341 19693 27235 59079 81705 98465 256009 295395 768027 1280045 3840135